Supplemental Balance Sheet Information (Tables)

3 Months Ended

Mar. 31, 2020

Receivables [Abstract]

Schedule of the allowance for doubtful accounts

Allowance for doubtful accounts:

	Three Months Ended March 31,
	2020		2019
	(In thousands)
Balance, beginning of period	$	6,287	$	4,945
Additions	4,261		(245)
Write-offs	(1,463)		(419)
Balance, end of period	$	9,085	$	4,281

Percentage of revenue 2  % 2  %

Schedule of the sales credit reserve

Sales credit reserve:

	Three Months Ended March 31,
	2020		2019
	(In thousands)
Balance, beginning of period	$	6,784	$	3,015
Additions	8,174		2,681
Deductions against reserve	(5,271)		(2,865)
Balance, end of period	$	9,687	$	2,831

Percentage of revenue 3  % 1  %